1322XUSB Freescale Semiconductor, 1322XUSB Datasheet - Page 46

• Manufacturer Part Number: 1322XUSB
• Description: KIT USB 1322X
• Manufacturer: Freescale Semiconductor
• Type: Transceiverr

Specifications of 1322XUSB

• Frequency: 2.4GHz
• Wireless Frequency: 2.4 GHz
• Interface Type: USB
• Security: 128 bit AES
• Operating Voltage: 2 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Silicon Manufacturer: Freescale
• Silicon Core Number: MC13224
• Kit Application Type: Communication & Networking
• Application Sub Type: ZigBee
• Kit Contents: USB Stick, IAR Software
• Rohs Compliant: Yes
• For Use With/related Products: MC1322x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

46
1
2
signal) to bridge the undefined region of the falling edge of SCL.
3
4
must then be met. This will automatically be the case if the device does not stretch the LOW period of the SCL signal.
If such a device does stretch the LOW period of the SCL signal, it must output the next data bit to the SDA line t
+ t
released.
5
SCL clock frequency (when source)
Hold time (repeated) START condition.
After this period, the first clock pulse is generated
LOW period of the SCL clock
HIGH period of the SCL clock
Set-up time for a repeated START condition
Data hold time
Data setup time
Rise time for both SDA and SCL signals
Fall time for both SDA and SCL signals
Bus free time between a STOP and START condition
Capacitive load for each bus line
All values referred to V
A device must internally provide a hold time of at least 300 ns for the SDA signal (referred to the V
The maximum t
A Fast-mode I2C-bus device can be used in a Standard-mode I2C-bus system, but the requirement t
SU;DAT
C
b
= total capacitance of one bus line in pF. If mixed with Hs-mode devices, the faster fall-times are allowed.
= 1000 + 250 = 1250 ns (according to the Standard-mode I2C-bus specification) before the SCL line is
HD;DAT
IHmin
has only to be met if the device does not stretch the LOW period (t
Parameter
and V
ILmax
Table 20. I
levels
MC1322x Technical Data, Rev. 1.3
2
C Signal AC Specifications
t
Symbol
t
SHD;DAT
t
t
HD;STA
SU:DAT
SU;STA
t
t
f
t
HIGH
LOW
SCL
BUF
C
t
t
r
f
b
Standard-Mode
Min
250
4.0
4.7
4.0
4.7
4.7
0
0
-
-
-
2
1
3.45
1000
Max
100
300
400
-
-
-
-
-
-
LOW
3
) of the SCL signal.
0.1C
0.1C
100
20 +
20 +
Min
0.6
1.3
0.6
0.6
1.3
0
Fast-Mode
0
-
IHmin
Freescale Semiconductor
2
4
b
b
SU;DAT
5
5
of the SCL
Max
0.9
150
300
300
400
>= 250 ns
-
-
-
-
-
-
r max
3
Unit
kHz
pF
μs
μs
μs
μs
μs
ns
ns
ns
μs